package com.jd.genie.config.filter;

import jakarta.servlet.DispatcherType;
import jakarta.servlet.Filter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;


/**
 * @author bjwangjuntao
 */
@Configuration
public class BaseFilterConfig {

    @Bean
    public FilterRegistrationBean<CorsFilter> corsFilter()
    {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        config.addAllowedOriginPattern("*");
        config.addAllowedHeader("*");
        config.addAllowedMethod("*");
        source.registerCorsConfiguration("/**", config);
        CorsFilter corsFilter = new CorsFilter(source);
        return this.creatAllFilter(corsFilter, 1);
    }

    <T extends Filter> FilterRegistrationBean<T> creatAllFilter(T filter, int order)
    {
        return this.createFilter(filter, order, "/*");
    }

    <T extends Filter> FilterRegistrationBean<T> createFilter(T filter, int order, String... urlPatterns)
    {
        FilterRegistrationBean<T> bean = new FilterRegistrationBean<>();
        bean.setFilter(filter);
        bean.setOrder(order);
        bean.addUrlPatterns(urlPatterns);
        bean.setDispatcherTypes(DispatcherType.REQUEST);
        return bean;
    }

}
